2391. Which of the following elements is a chemical constituent of sand particles?
A. Carbon
B. Iron
C. Sodium
D. Silicon *
2392. The devonian period was called :
A. The age of oceans
B. The age of fishes *
C. The age of corals
D. The age of dinosaurs
2393. Brachiopod fossils have the same body plan as which of the following organisms:
A. Squid
B. Fish
C. Clam *
D. Earth worm
2394. Which of the following countries is closest in size to Sri Lanka ?
A. Qatar
B. Rwanda
C. Iceland *
D. Laos
2395. Which of the following rocks is different from the remaining three on the basis of its mode of origin ?
A. Limestone
B. Sandstone
C. Shale
D. Marble *
2396. Which of the following latitudes is the longest ?
A. 23 Degree N
B. 66 Degree N
C. 0 Degree *
D. 80 Degree N
2397. Two places on the same meridian must have the same :
A. Lenght of summer
B. Latitude
C. Lenght of winter
D. Solar time *
2398. What is the only spanish-speaking country in Africa ?
A. Angola
B. Sirra Leone
C. Equatorial Guinea *
D. Gabon
2399. Which of the following process helps in the formation of rift valley ?
A. Seismic
B. Faulting *
C. Folding
D. Volcanism
2400. Where is Dead sea situated in the following continents ?
A. Europe
B. Australia
C. Asia *
D. Africa